Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10509021 | Diagnosing device for on-load tap changing apparatus, diagnosing method for on-load tap changing apparatus, and diagnosing device for transformer | Li Lu, Yoshio Hamadate, Akira YAMAGISHI, Hideyuki Miyahara | 2019-12-17 |
| 10190935 | Gas leak detection device and gas leak detection method | Hisao Inami, Makoto Hirose, Hiroyuki Nakamichi, Masaru TATEMI | 2019-01-29 |